Improvement in smut-mills



D. W. MARMON.

Smut- Mill.

N0. 100,913. Patented March 15, 1870 FIGJ.

N. PETERS, PHOTO-LITNDGRAPHER, WASHINGTON. or c dilated swat paint can.

DANIEL W. MARMON, OF RICHMOND, INDIANA, ASSIGNOR TO NORDYKE,

' MARMON & 00., OF SAME PLACE.

Letters Patent No. 100,913, dated March 15, 1870.

q IMPROVEMENT IN SMUT-MILLS.

The Schedule referred to in these Letters Patent and making part of the same I, DANIEL W. MARMON, of Richmond, in the county of Wayne, and State 'of Indiana, have invented a certain Smut-Mill and Separator, of which the following is a specification.

Nata-re and Ohy'ects of the Invention.

My invention relates to the class of machines designed for-separating the smut and other impurities from wheat and other grain; and

The first part of my invention consists in the provision of annular conical fenders for the retention of wheat within the scouring space while permitting the entrance of air.

The second part of my invention consists in the provision of heaters, having upturned ribs, which serve both to prevent the too rapid descentof grain,

and to more efl'ectually scour the same.

The third part of my invention consists in the provision of reversely-ohliqne or zigzag scouring ribs on the concavity of a perforated case or jacket, so as to cause the immediate disengagement and prompt discharge of dust and smut-balls before they have time to break upon and be rubbed into the wheat.

General Description with Reference to the Drawings.

- Figure 1 is an an axial section of a machine embodying my improvements.

Figure 2 is a horizontalsection on the line :r:c. Figure 3 is a view of one of the staves or sections, which compose the case F.

A is a suitable frame, supporting the various operative parts. i r

B is a vertical shaft, journaled in the said frame, and. armed near its upper end with a suction fan, 0, which rcvolves in a fan-case, D, and near its middle portion with a series of oblique heaters, E, which revolve within a perforated case or cylinder, h; The

I said shaft is driven by a belt around a pulley, (.lr, near its lower end.

The upper ends of the heaters are united to the shaft B,by means of a revolving table, H, and their lower ends are united to said shaft by means of arms 1. Attached to the shaft B, withir r the heaters, is a series of annular conical plates, which I call the feuders, J, and which, while admitting air, serves to prevent the escape of grain, as hereafter more particuupward, is a shell, M, which forms a draught-passage,

M, around the perforated case F, for the smut and other lightoii'al which escapes through the perforations of the case.

The effective and advancing face of each heater is armed with the represented V-forrned ribs N, and may be set to face either right on left, according to the direction in which the shaft is to be turned.

The interior of the perforated case is likewise armed with V-forrncd or zigzag ribs 0.

Descending from the scourer the grain encounters a second blast at junction of spout P, with duct Q, which removes all remaining refuse and lighter grains, and carries them along the upwardly enlarging duct Q and chute B into the offal depositing draught-inlet 8, whose upper end communicates with the outlet S, of somewhat'feebler draught, from whose upper part a passage, T, conducts the dust and other lighter refi use, now wholly devoid of seed, into the fan-case D, whence it escapes, along with the smut and other dust from the scourer, by the ventage (Z. The offal from this deposit is expelled through the valved opening at 1, and then forced back again through the opening 2, and is exposed to another and weaker suction-blastin the trunk 3, which removes the lighter portion of this ofial, depositing it in 4, while any dust that may be left in it, as being thrown out of the machine at 1, is carried up through the tube 5 6 into the fan. The heavier portions of the oflal from the machine are thrown out at the lower end of the tube 3, and the lighter at the valved opening at the bottom of 4.

The shaft, with its attached fans and heaters, being rotated at a high velocity, wheat or other grain to be cleaned, is fed in by the aperture U, and, after erroountering the entering draught at V descends, by the spout \V, into the table H, or revolving top of the beater, whose centrifugal action projects it violently against the perforated case F, the ribs of which serve to temporarily detain the grain for the'action of the heaters E, whose V-forrned ribs act both to scour thegrain and to project it upward and outward against the perforated case.

From the scouring-cylinder the grain escapes by spouts X into the draught-tube Y, whence, aft-er en-. countering a final cleansing gust from the aperture 3/, it is'discharged at Z into a suitable bin or receptacle.

In order to admit air freely to the scouring apparatus, and yet to prevent the escape of the grain by other than its appropriate channels, I provide a numher of annular plates, J, which converge upward in, the manner shown, so as to form a series of conic frusta, which act to catch the grains, and conduct them back to the heaters.

In smutters as heretofore constructed, a portion of the smut and dust has been liable to be precipitated from the bottom of tbeannular opening between the case F and the shell M. This defect I overcome, and

cause all of the light refuse detached in the scouring to ascend the said annular space, by contracting the same, so as to cause a more rapid in-draught or current at its lower portion.

I have described the parts as constructed and used by me, but may vary the same in some particulars,

for example, wire gauze may replace in whole or in part the perforated sheet metal which composes the case F, or the perforations may he made in the back of cast staves, with the zigzag or oblique ribs on the inside. Some of the beater blades may he placed with 'the oblique ribs pointing down, ,thus varying the amount of scouring done, by throwing the grain down and out of the machine sooner than'when all the ribs t point upward, or the ribs, instead of the described V- shape, may pass straight across the heater blade obliquely, also the staves on the inside of the perforated jacket may have the ribs oblique, without their being .reveisely oblique or zigzag.

3., The perforated case F having reversely oblique I or zigzag or oblique scouring ribs 0 on the concave surface, as and for the purpose stated.

In testimony of which invention I hereunto set my hand. 7

DANIEL W. MARMON.

Witnesses v GEO, H. KNIGHT, O. B. WALKER. 

